package com.hebxy.ssm.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

public class MyInterceptor implements HandlerInterceptor{

	@Override
	public void afterCompletion(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, Exception arg3)
			throws Exception {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, ModelAndView arg3)
			throws Exception {
		
	}

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
		HttpSession session=request.getSession();
		if(session.getAttribute("username")!=null){
			return true;
		}
		String requestURI = request.getRequestURI();
		String queryString = request.getQueryString();
		System.out.println(requestURI);
		String originalUrl = requestURI+(queryString==null?"":"?"+queryString);
		System.out.println(originalUrl.substring(originalUrl.lastIndexOf("/")));
		
		System.out.println(handler);
		
		session.setAttribute("originalUrl",originalUrl.substring(originalUrl.lastIndexOf("/",originalUrl.lastIndexOf("/")-1)));
		
		
		response.sendRedirect(request.getContextPath()+"/login.jsp");
		
		
		return false;
	}

}
